o-Quinone methide with overcrowded olefinic core as a catalytically-active surrogate of triarylmethylium salt for dehydridative oxidation of benzylic alcohols under aerobic photoirradiation conditionso-Quinone methideHydride abstractionPhotoirradiation
o-quinone/quinone methide isomerase: a novel enzyme preventing the destruction of self-matter by phenoloxidase-generated quinones during immune response in... Saul SJ, Sugumaran M: o-Quinone Iquinone methide isomerase: A novel enzyme prevent- ing the destruction of self matter by phenoloxidase-...
To synthesize functionalized Mannich bases that can serve two different types of ortho‐quinone methide (o‐QM) intermediates, 2‐naphthol and 6‐hydroxyquinoline were reacted with salicylic aldehyde in the presence of morpholine. The Mannich bases that can form o‐QM and aza‐o‐QM were also ...
Intermolecular cycloadditions of o-quinone methide N-alkylimines with electron deficient olefins provide a convenient synthetic method of N-alkyl-1,2,3,4-tetrahydroquinolines.\nYoshihikoDepartmentItoDepartmentEijiDepartmentNakajoDepartment&Department
ChemInform Abstract: Synthesis of Some Chromans via o-Quinone-Methide Intermediates.benzopyran derivativescycloaddition reactionsintermediates (and their reactionsChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access...
A Bioorthogonal Ligation Enabled by Click Cycloaddition of o-Quinolinone Quinone Methide and Vinyl Thioether There is an increasing interest in the use of bioorthogonal ligation to advance biomedical research through selective labeling of biomolecules in living sy... L Qiang,T Dong,X Liu,... - ...
o-Quinone methide formation from excited state intramolecular proton transfer (ESIPT) in an o-hydroxystyrene. J. Photochem. Photobiol. A: Chem. 1999, 129, 157-163.Foster, K. L.; Baker, S.; Brousmiche, D. W.; Wan, P. o-Quinone methide formation from excited state intra- molecular ...
o-Quinone Methide as Alkylating Agent of Nitrogen, Oxygen, and Sulfur Nucleophiles. The Role of H-Bonding and Solvent Effects on the Reactivity through a DFT Computational Study. Cristiana Di Valentin,Mauro Freccero,Riccardo Zanaletti,Mirko Sarzi-Amad猫. Journal of the American Chemical Society ....
Nakatani et al, " Highly efficient photochemical generation of o-quinone methide from Mannich bases of phenol derivatives, " Tetrahedron Lett. Vol. 38, no. 28, pp. 5005-5008, 1997Nakatani, K.; Higashida, N.; Saito, I. Highly efficient photochemical generation of o-quinone methide from ...
建立了一个在质子性溶剂中经由o-quinonemethide中间体的trans-hexahydrocannabinol的简便合成方法.用对甲苯磺酸为催化剂,加热回流resorcinol衍生物和citronellal之间偶联产物的甲醇溶液,酚的脱保护、o-quinonemethides的生成以及分子内狄尔斯-阿尔德环加成反应一步完成,产率为93%～95%.doi:CNKI:SUN:HXXB.0.2006-17-014...